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Psychiatric side effects during methysergide treatment.

E Cittadini1, P J Goadsby

  • 1Institute of Neurology and the National Hospital for Neurology and Neurosurgery, London, UK.

Journal of Neurology, Neurosurgery, and Psychiatry
|June 21, 2005
PubMed
Summary

High-dose methysergide can cause severe psychological side effects, including anxiety and depression. These symptoms improved after discontinuing the medication, suggesting an unusual drug reaction.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Clinical Pharmacology

Background:

  • Methysergide is a medication historically used for migraine prophylaxis.
  • High doses may increase the risk of adverse effects.
  • Understanding drug-induced psychological changes is crucial for patient safety.

Observation:

  • A patient developed impaired concentration and thought projection.
  • Severe anxiety and depression emerged after three weeks of high-dose methysergide treatment.
  • Symptoms persisted during continued high-dose therapy.

Findings:

  • Psychological changes resolved gradually following methysergide withdrawal.
  • The clinical presentation suggests a potential link between high-dose methysergide and adverse psychological effects.
  • This case highlights an unusual and serious side effect of methysergide.

Implications:

  • Clinicians should be vigilant for psychological side effects in patients on methysergide.
  • This case underscores the importance of dose-dependent adverse reactions.
  • Further research may be warranted to elucidate the mechanism of methysergide-induced psychological disturbances.

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